package com.itheima.chapter03.characterstring;
/*
    拼接字符串
 */
public class domestring6 {
    public static void main(String[] args) {
        int[] arr={5,7,9};
        String s=arrayToString(arr);
        System.out.println("s："+s);
    }
    public static String arrayToString(int[] arr){
        String s = "";
        s+="[";
        for (int i = 0; i <arr.length ; i++) {
            if(i==arr.length-1){
                s+=arr[i];
            }else {
                s+=arr[i];
                s+=", ";
            }
        }
        s+="]";
        return s;
    }
}
